<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
<!--  子模板导入css文件的地方-->
     <style>
         *{
             color: red;
         }

     </style>
    {% block student_css%}
    {% endblock%}


</head>
<body>
<div>你好,2222222demo</div>


{% block   content %}


{% endblock %}
    {% block student_js%}

 {% endblock%}
</body>
</html>